Na-adjective (keiyodoshi)fundamental; basic

Nounroot (of a plant) · root (of a tooth, hair, etc.); center (of a pimple, etc.) · root (of all evil, etc.); source; origin; cause; basis

Nounfoundation; root; basis; core; fundamentals · root and trunk

Nounpatience; perseverance; persistence; tenacity; energy

Nounbasis; grounds; foundation; reason; authority · base (of operations) · base (of a group of stones)